Protection against infection 4 weeks after vaccination was 52%, and against COVID-related hospital illness it was 67%.
Current COVID boosters offer good protection against severe outcomes but less so against JN.1
More from COVID-19More posts in COVID-19 »
- Very few US adults getting new flu, COVID, RSV vaccines, even in nursing homes
- US respiratory virus activity remains low ahead of holiday season
- Antiviral COVID-19 drug molnupiravir tied to large drop in deaths in older patients
- Adults with migraines at higher risk of depression during pandemic, study shows